ChatMessageReadReceipt Class   
A chat message read receipt indicates the time a chat message was read by a recipient.
Variables are only populated by the server, and will be ignored when sending a request.
Constructor
ChatMessageReadReceipt(**kwargs: Any)
	Variables
| Name | Description | 
|---|---|
| 
		 sender 
	 | 
	
		
		 Read receipt sender.  | 
| 
		 chat_message_id 
	 | 
	
		
		 Id for the chat message that has been read. This id is generated by the server.  | 
| 
		 read_on 
	 | 
	
		
		 Read receipt timestamp.  |